WO2022039653A1 - Appareil et procédé de déblayage d'une ouverture de puits de forage - Google Patents
Appareil et procédé de déblayage d'une ouverture de puits de forage Download PDFInfo
- Publication number
- WO2022039653A1 WO2022039653A1 PCT/SE2021/050801 SE2021050801W WO2022039653A1 WO 2022039653 A1 WO2022039653 A1 WO 2022039653A1 SE 2021050801 W SE2021050801 W SE 2021050801W WO 2022039653 A1 WO2022039653 A1 WO 2022039653A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- boom
- borehole
- sweeper assembly
- brush
- entrance
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 241001417527 Pempheridae Species 0.000 claims abstract description 61
- 238000010276 construction Methods 0.000 claims abstract description 18
- 238000005065 mining Methods 0.000 claims abstract description 18
- 238000007790 scraping Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 description 13
- 238000005553 drilling Methods 0.000 description 8
- 239000002360 explosive Substances 0.000 description 6
- 239000004927 clay Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 231100001261 hazardous Toxicity 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
- E21B12/06—Mechanical cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B13/00—Brushes with driven brush bodies or carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
Definitions
- the present disclosure relates to a sweeper assembly arranged at a distal end of a boom of a mining or construction work machine.
- the sweeper assembly may be used for preparing boreholes for a blasting operation.
- the present disclosure further relates to a method of using the sweeper assembly for removing blockages from a borehole opening.
- Mining operations and construction work commonly utilize drilling and blasting techniques. Usually, a plurality of boreholes need to be drilled into a rock surface. The boreholes extend a proper depth into the rock and are filled with explosive charges when drilling of all the holes is complete.
- drill cuttings need to be removed from the drilled holes with the aid of a flushing medium such as compressed air or liquid.
- the liquid flush medium such as water may mix with the drill cuttings to form a clay paste.
- the drill cuttings from a hole currently being drilled can block entrance to the already drilled holes nearby.
- the particularly affected are the lifter holes which are drilled along the floor of a tunnel for lifting the rock to floor level. The lifter holes may become buried and covered up completely by the drill cuttings and/or the clay paste thereof.
- CN210396627U discloses a method of using a brush to remove drill cuttings from a borehole opening during drilling, wherein a rotary actuator is shared by the drill unit and the brush.
- a rotary actuator is shared by the drill unit and the brush.
- the drill cuttings from a borehole currently being drilled can block entrance to the already drilled boreholes nearby.
- the method of CN210396627U is not appropriate or efficient for clearing the blocked openings of already drilled boreholes.
- one object of the present disclosure is therefore to reduce manual workload and risks for personnel at the site during operations for clearing a borehole opening of blockages at entrance to the borehole.
- Another object of the disclosure is to increase work efficiency and productivity.
- Yet another object of the disclosure is to provide a novel and advantageous solution for clearing a borehole opening of blockages at entrance to the borehole.
- Yet another object of the disclosure is to provide a robust and reliable solution for clearing a borehole opening of blockages at entrance to the borehole.
- Yet another object of the disclosure is to provide an alternative solution for clearing a borehole opening of blockages at entrance to the borehole.
- Yet another object of the disclosure is to improve mechanization and automation of clearing a borehole opening of blockages at entrance to the borehole.
- a boom of a mining or construction work machine which boom comprising a first end connectable to the mining or construction work machine, a distal second end, and at least one sweeper assembly arranged at the distal second end of the boom.
- the sweeper assembly is configured to clear a borehole opening of blockages at entrance to the borehole.
- the boom as was described above enables mechanization and automation of the process of clearing a borehole opening of blockages at entrance to the borehole.
- the sweeper assembly as was described above comprises at least one rotary actuator and/or at least one linear actuator.
- the at least one rotary actuator is used to transform energy to mechanical rotation of the sweeper assembly.
- the at least one linear actuator is used to move the sweeper assembly in a straight line.
- the sweeper assembly as was described above further comprises at least one brush configured to rotate about an axis A.
- the rotating brush has the advantage of producing a continuous cleaning of a large area thereby increasing work efficiency and productivity.
- the brush as was described above may comprise a rotatable shaft or drum.
- the rotary actuator as was described above controls mechanical rotation of the at least one brush via the shaft or drum.
- the brush as was described above may further comprises a plurality of single- and/or multi-strand steel wire packs.
- the steel wire packs are wear-resistant such that the sweeper assembly can perform in an aggressive manner.
- the sweeper assembly as was described above may comprises at least one scraping tool.
- the scraping tool has the advantage of providing a more focused cleaning which is particularly efficient for removing tough clay paste of drill cuttings from a borehole opening.
- the sweeper assembly with at least one scraping tool may comprise at least one hydraulic cylinder configured to control operation of the at least one scraping tool.
- the hydraulic cylinder inherently produces linear motion of the at least one scraping tool.
- a rig comprising at least one boom as was described above.
- the rig has all the advantages that have been described above in conjunction with the boom and the sweeper assembly.
- a method of clearing a borehole opening of blockages at entrance to the borehole comprising the steps of positioning the sweeper assembly as was described at entrance to the borehole; and controlling operation of the at least one brush and/or the at least one scraping tool of the sweeper assembly as was described above to remove blockages from the borehole opening.
- the method has all the advantages that have been described above in conjunction with the boom and the sweeper assembly.
- Figure 1 is a schematic representation of a mining or construction work machine
- Figure 2 depicts a sweeper assembly with a brush in a perspective view
- Figure 3 is a schematic representation of a brush with a rotatable drum
- Figure 4 is a schematic representation of a sweeper assembly with a scraping tool.
- Figure 5 is a schematic representation of a sweeper assembly with a telescopically extendable connecting means.
- the present disclosure aims to reduce or even eliminate exposure of personnel to the hazardous work environment during operations for clearing a borehole opening of blockages at entrance to the borehole.
- the present disclosure further aims to reduce manual workload and increase work efficiency or productivity.
- the present disclosure improves mechanization and automation of the operations for clearing a borehole opening of blockages at entrance to the borehole by providing a novel, robust and reliable solution which is advantageous over the state of the art.
- a boom 4 of a mining or construction work machine 1 which boom 4 comprising a first end 4a connectable to the mining or construction work machine 1 , a distal second end 4b, and a sweeper assembly 6 arranged at the distal second end 4b of the boom 4.
- the sweeper assembly 6 is configured to clear a borehole opening of blockages at entrance to the borehole.
- the boom 4 comprising the sweeper assembly 6 enables mechanization and automation of the process of clearing a borehole opening of blockages at entrance to the borehole. Furthermore, the sweeper assembly 6 is easy to operate.
- the mining or construction work machine 1 may be a charging rig for loading boreholes with explosive charges.
- the charging rig 1 may comprise a mounting device 3 attached to the distal second end 4b of the at least one boom 4 (Fig. 1), which mounting device 3 comprises a beam 5, wherein the sweeper assembly 6 is arranged on the beam 5 (Fig. 2).
- Other devices or tools e.g. a loading assembly as was described in our patent application SE 2030174-3, a hose for flushing medium, an explosive delivery hose, a hose handling unit, etc. may also be arranged on the same beam 5 of the charging rig 1 as the sweeper assembly 6.
- the sweeper assembly 6 may comprise at least one rotary actuator and/or at least one linear actuator.
- the at least one rotary actuator is used to transform energy to mechanical rotation of the sweeper assembly 6.
- the at least one rotary actuator may be hydraulically, pneumatically or electrically powered.
- the at least one linear actuator is used to move the sweeper assembly 6 in a straight line.
- the at least one linear actuator may be hydraulically, pneumatically or electrically powered.
- the at least one linear actuator may be a hydraulic or pneumatic cylinder that inherently produces linear motion.
- the sweeper assembly 6 may further comprise at least one brush 7 configured to rotate about an axis A (Figs. 2 and 3).
- the rotating brush 7 has the advantage of producing a continuous cleaning of a large area thereby increasing work efficiency and productivity.
- the sweeper assembly 6 may further comprise a connection means 20, which connection means 20 connects the brush 7 to the distal second end 4b of the boom 4.
- the connection means 20 may comprise an extendable first part with at least two telescopic sections 51 , 52 (Fig. 5), wherein the first part is connectable to the distal second end 4b of the boom 4; and a second part connectable to the brush 7.
- a mining or construction work machine 1 may typically comprise a mounting device 3 attached to the distal second end 4b of the at least one boom 4 (Fig. 1), which mounting device 3 comprises a beam 5, wherein the connection means 20 of the sweeper assembly 6 connects the brush 7 to the beam 5 at the distal second end 4b of the boom 4 (Fig. 2).
- connection means 20 comprising an extendable first part with at least two telescopic sections 51 , 52 provides the advantage of space-saving storage of the brush 7 when the sweeper assembly 6 is not in use and the advantage of flexibility in getting access to the area to be swept.
- Operation of the extendable first part of the connection means 20 may be controlled by a linear actuator.
- the brush 7 as illustrated in Fig. 2 may comprise a rotatable shaft. The rotary actuator as was described above controls mechanical rotation of the at least one brush 7 via the shaft.
- the brush 7 as illustrated in Fig. 2 may comprise a single-piece mounting flange 21 , wherein a plurality of single- and/or multi-strand wire packs 8 are mechanically affixed to the single-piece mounting flange 21 .
- the wire packs 8 are made of wearresistant material such as steel wires, which enables more aggressive performance of the sweeper assembly 6.
- the brush 7 as illustrated in Fig. 3 may comprise a rotatable drum 9 (Fig. 3a).
- Fig. 3b is a cross-sectional view of the brush 7 with a rotatable drum 9.
- a cutting plane 30 indicated in Fig. 3a defines the cross-section shown in Fig. 3b.
- the rotary actuator as was described above controls mechanical rotation of the at least one brush 7 via the drum 9.
- the brush 7 as illustrated in Fig. 3 may comprise a plurality of single- and/or multistrand wire packs 8 mechanically affixed to the drum 9.
- the wire packs 8 are made of wear-resistant material such as stainless steel, which enables aggressive performance of the sweeper assembly 6.
- the sweeper assembly 6 may comprise at least one scraping tool 10.
- the scraping tool 10 has the advantage of providing a more focused cleaning which is particularly efficient for removing tough clay paste of drill cuttings from a borehole opening.
- the sweeper assembly 6 may comprise at least one hydraulic cylinder 11 configured to control operation of the at least one scraping tool 10.
- the hydraulic cylinder 11 inherently produces linear motion of the at least one scraping tool 10.
- the sweeper assembly 6 may comprise a connection means 20, which connection means 20 comprising a shank 40 connected to the at least one scraping tool 10, a pivot member 42 connecting the shank 40 to the distal second end 4b of the boom 4, and a feeding device 41 arranged at the distal second end 4b of the boom 4, wherein the feeding device 41 is connected to the shank 40.
- the pivot member 42 enables rotary motion of the shank 40 around the pivot member 42 (Fig. 4).
- a mining or construction work machine 1 comprises a mounting device 3 attached to the distal second end 4b of the at least one boom 4 (Fig. 1).
- the mounting device 3 comprises a beam 5, wherein the shank 40 is connected to the beam 5 via the pivot member 42 at the distal second end 4b of the boom 4, and wherein the feeding device 41 is attached to the beam 5 at the distal second end 4b of the boom 4 (Fig. 4).
- the feeding device 41 is configured to move along the longitudinal axis of the beam 5.
- the feeding device 41 comprises an even number of rollers, which has the advantage of ensuring stable movement of the feeding device 41.
- the sweeper assembly 6 as illustrated in Fig. 4 may further comprise a first hydraulic cylinder 11 configured to control operation of the scraping tool 10, a second hydraulic cylinder 11 configured to control operation of the shank 40, and a third hydraulic cylinder 11 configured to control operation of the feeding device 41.
- the sweeper assembly 6 as was described above provides the advantage of spacesaving storage of the scraping tool 10 when the sweeper assembly 6 is not in use and the advantage of flexibility in get access to the area to be cleaned.
- a rig 1 comprising at least one boom 4 as was described above.
- the rig 1 may be a complex equipment intended for earth surface use or underground use.
- the rig 1 may be a mining or construction work machine adapted for various mining operations or construction work.
- the rig 1 may be a drilling rig adapted for drilling blasting holes, injection holes, holes for rock bolt reinforcement, etc..
- the rig 1 may be a charging rig for loading boreholes with explosive charges.
- Fig. 1 shows schematically a mining or construction work machine 1 comprising a carrier 2, at least one boom 4 and a mounting device 3 attached to the distal second end 4b of the at least one boom 4.
- the mounting device 3 comprises a beam 5 on which the sweeper assembly 6 may be arranged (Figs. 2 and 4).
- Other devices or tools e.g. a drilling machine, a loading assembly as was described in our patent application SE 2030174-3, a hose for flushing medium, an explosive delivery hose, a hose handling unit, etc. may also be arranged on the same beam 5 as the sweeper assembly 6.
- An enlarged view of the beam 5 with the sweeper assembly 6 is provided in Figs. 2 and 4.
- the rig 1 has all the advantages that have been described above in conjunction with the boom 4 and the sweeper assembly 6.
- a method of clearing a borehole opening of blockages at entrance to the borehole comprising the steps of positioning the sweeper assembly 6 as was described above at entrance to the borehole; and controlling operation of the at least one brush 7 and/or the at least one scraping tool 10 of the sweeper assembly 6 to remove blockages from the borehole opening.
- the method further comprises a step of rinsing the swept borehole opening with water, which removes any residual debris from the entrance to the borehole.
- the method as was described above for clearing a borehole opening of blockages at entrance to the borehole is a straightforward method which may be at least partially automatized.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21759429.0A EP4200508A1 (fr) | 2020-08-18 | 2021-08-17 | Appareil et procédé de déblayage d'une ouverture de puits de forage |
AU2021327697A AU2021327697A1 (en) | 2020-08-18 | 2021-08-17 | Apparatus and method for clearing a borehole opening |
CA3188347A CA3188347A1 (fr) | 2020-08-18 | 2021-08-17 | Appareil et procede de deblayage d'une ouverture de puits de forage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE2050959-2 | 2020-08-18 | ||
SE2050959A SE544331C2 (en) | 2020-08-18 | 2020-08-18 | Apparatus and method for clearing a borehole opening |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022039653A1 true WO2022039653A1 (fr) | 2022-02-24 |
Family
ID=77499891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2021/050801 WO2022039653A1 (fr) | 2020-08-18 | 2021-08-17 | Appareil et procédé de déblayage d'une ouverture de puits de forage |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4200508A1 (fr) |
AU (1) | AU2021327697A1 (fr) |
CA (1) | CA3188347A1 (fr) |
SE (1) | SE544331C2 (fr) |
WO (1) | WO2022039653A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1612186A (en) * | 1926-12-28 | Posthole digger | ||
US20020167215A1 (en) | 2001-05-10 | 2002-11-14 | Inco Limited | Method of drilling |
WO2012067579A1 (fr) | 2010-11-17 | 2012-05-24 | Atlas Copco Rock Drills Ab | Procédé, système et appareil de forage de roche pour installer un tuyau dans des trous forés dans un forage de roche |
CN210396627U (zh) | 2019-09-02 | 2020-04-24 | 无锡中维建筑机械制造有限公司 | 一种用于滑移装载机的液压螺旋钻 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59306611D1 (de) * | 1992-10-02 | 1997-07-03 | Putzmeister Maschf | Bürstenkopf für grossmanipulatoren |
KR100893316B1 (ko) * | 2008-12-11 | 2009-04-15 | 주식회사 고속도로관리공단 | 터널 조명등 세척기 |
CN109372534A (zh) * | 2018-11-15 | 2019-02-22 | 江西蓝翔重工有限公司 | 一种运输槽体上带电缆卷筒的钻装机组 |
-
2020
- 2020-08-18 SE SE2050959A patent/SE544331C2/en unknown
-
2021
- 2021-08-17 EP EP21759429.0A patent/EP4200508A1/fr active Pending
- 2021-08-17 CA CA3188347A patent/CA3188347A1/fr active Pending
- 2021-08-17 WO PCT/SE2021/050801 patent/WO2022039653A1/fr unknown
- 2021-08-17 AU AU2021327697A patent/AU2021327697A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1612186A (en) * | 1926-12-28 | Posthole digger | ||
US20020167215A1 (en) | 2001-05-10 | 2002-11-14 | Inco Limited | Method of drilling |
WO2012067579A1 (fr) | 2010-11-17 | 2012-05-24 | Atlas Copco Rock Drills Ab | Procédé, système et appareil de forage de roche pour installer un tuyau dans des trous forés dans un forage de roche |
CN210396627U (zh) | 2019-09-02 | 2020-04-24 | 无锡中维建筑机械制造有限公司 | 一种用于滑移装载机的液压螺旋钻 |
Also Published As
Publication number | Publication date |
---|---|
SE544331C2 (en) | 2022-04-12 |
AU2021327697A1 (en) | 2023-02-09 |
EP4200508A1 (fr) | 2023-06-28 |
CA3188347A1 (fr) | 2022-02-24 |
SE2050959A1 (en) | 2022-02-19 |
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